From patchwork Thu Mar 12 12:36:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kucheria X-Patchwork-Id: 212603 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47D77C4CECE for ; Thu, 12 Mar 2020 12:37:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0AA2C206B1 for ; Thu, 12 Mar 2020 12:37:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="HczdGqp3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726310AbgCLMhS (ORCPT ); Thu, 12 Mar 2020 08:37:18 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:45159 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726971AbgCLMhS (ORCPT ); Thu, 12 Mar 2020 08:37:18 -0400 Received: by mail-pf1-f194.google.com with SMTP id 2so3194736pfg.12 for ; Thu, 12 Mar 2020 05:37:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=RA7dOJHv4q2pboplJoMXiczEI9d6Gda9We37vDtoQPs=; b=HczdGqp34X7i9+occm6Scd7Qv9WK1la0qeZBFT3F01dQHZToWWDTAM7FKrvA/CR8GY OLxoktCZ9Hd4LIjaBBUZFDlvXaTZFR6PMkud+/euN/U9XlmDy1Mi3plf3TwTQGa1yPTA gAymFDxDZiL+jEBHJIgcp08YHBFFkbPOBK8QKraLDexsv2rjH/kgbUpesUdVfbLKAjhq NERYu+6PRKALSZ9/nzhyOn4UMX0WSIoeTI1HSqn+mfK7aFlJVWTGzp+aTxES4ycJCXgr CYRqmG6Fhe6dgmvf6Tl7QywQjyytx3xNk17KnukA7MGK16ETndig/oMGRA6ct1H5QDFG hngw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=RA7dOJHv4q2pboplJoMXiczEI9d6Gda9We37vDtoQPs=; b=R6soPrOxGxHB8wJS/0EonX/d9EI/P/JqSeEBcETnJy5MmO+UuOJ9z9pOcYn22MxZfq 14md1XNLfj3C2wIivM0M53WIztm71ECl2f5lRjnROeR1fH3fhgzvJaEQTO51Wi+v3e8c c9rJwlPJ9XTlfo+apt+/M1cECcR4LNMNhEOEUnrNSgeIr/A+nxz52u8ySGuJ3ax8ocgO oKX7lkUSY7wwXBlEprkF+hjM6R7dW20UjiLYgBHJrTKNAvric7JnmGkyPaGQQOfq2ezz jU6w3oRG7dokmbmGWUG6sVtIR0kHvQT0w4ykcQaNm+LZOpbDqRB+9HBAXOb5Jl3jbswG Fk0w== X-Gm-Message-State: ANhLgQ29fWY/oBphY8Jqp6qM1SNYnPQeQXBByg6I9Z8/pNfVAWN4YkvY yQzvkTg6cpkW0oA4s+rErVX3/A== X-Google-Smtp-Source: ADFU+vsm8c8SUxElqTT/8sRrZxbM6BwDqPQblhKyxC55KiF6EnfYpQeETQd5E2V4XhZJCNG2yTjtOA== X-Received: by 2002:a63:330f:: with SMTP id z15mr7784255pgz.104.1584016636427; Thu, 12 Mar 2020 05:37:16 -0700 (PDT) Received: from localhost ([45.127.45.7]) by smtp.gmail.com with ESMTPSA id g69sm6058859pje.34.2020.03.12.05.37.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Mar 2020 05:37:15 -0700 (PDT) From: Amit Kucheria To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, daniel.lezcano@linaro.org, bjorn.andersson@linaro.org, swboyd@chromium.org, sivaa@codeaurora.org, Andy Gross Cc: Amit Kucheria , linux-pm@vger.kernel.org Subject: [PATCH v7 1/8] drivers: thermal: tsens: De-constify struct tsens_features Date: Thu, 12 Mar 2020 18:06:58 +0530 Message-Id: <2919a72220470366ae11e0bb5330a4ea39838f71.1584015867.git.amit.kucheria@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org struct tsens_features is currently initialized as part of platform data at compile-time and not modifiable. We now have some usecases in feature detection across IP versions where it is more flexible to update the features after probing registers. Remove const qualifier from tsens_features and the encapsulating tsens_plat_data. Signed-off-by: Amit Kucheria Reviewed-by: Stephen Boyd --- drivers/thermal/qcom/tsens-8960.c | 2 +- drivers/thermal/qcom/tsens-v0_1.c | 6 +++--- drivers/thermal/qcom/tsens-v1.c | 6 +++--- drivers/thermal/qcom/tsens-v2.c | 6 +++--- drivers/thermal/qcom/tsens.h | 12 ++++++------ 5 files changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c index fb77acb8d13b9..a383a57cfbbcb 100644 --- a/drivers/thermal/qcom/tsens-8960.c +++ b/drivers/thermal/qcom/tsens-8960.c @@ -279,7 +279,7 @@ static const struct tsens_ops ops_8960 = { .resume = resume_8960, }; -const struct tsens_plat_data data_8960 = { +struct tsens_plat_data data_8960 = { .num_sensors = 11, .ops = &ops_8960, }; diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c index 4b8dd6de02ce4..959a9371d205c 100644 --- a/drivers/thermal/qcom/tsens-v0_1.c +++ b/drivers/thermal/qcom/tsens-v0_1.c @@ -327,7 +327,7 @@ static int calibrate_8974(struct tsens_priv *priv) /* v0.1: 8916, 8974 */ -static const struct tsens_features tsens_v0_1_feat = { +static struct tsens_features tsens_v0_1_feat = { .ver_major = VER_0_1, .crit_int = 0, .adc = 1, @@ -377,7 +377,7 @@ static const struct tsens_ops ops_8916 = { .get_temp = get_temp_common, }; -const struct tsens_plat_data data_8916 = { +struct tsens_plat_data data_8916 = { .num_sensors = 5, .ops = &ops_8916, .hw_ids = (unsigned int []){0, 1, 2, 4, 5 }, @@ -392,7 +392,7 @@ static const struct tsens_ops ops_8974 = { .get_temp = get_temp_common, }; -const struct tsens_plat_data data_8974 = { +struct tsens_plat_data data_8974 = { .num_sensors = 11, .ops = &ops_8974, .feat = &tsens_v0_1_feat, diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c index bd2ddb684a45d..b682a4df00810 100644 --- a/drivers/thermal/qcom/tsens-v1.c +++ b/drivers/thermal/qcom/tsens-v1.c @@ -299,7 +299,7 @@ static int calibrate_8976(struct tsens_priv *priv) /* v1.x: msm8956,8976,qcs404,405 */ -static const struct tsens_features tsens_v1_feat = { +static struct tsens_features tsens_v1_feat = { .ver_major = VER_1_X, .crit_int = 0, .adc = 1, @@ -368,7 +368,7 @@ static const struct tsens_ops ops_generic_v1 = { .get_temp = get_temp_tsens_valid, }; -const struct tsens_plat_data data_tsens_v1 = { +struct tsens_plat_data data_tsens_v1 = { .ops = &ops_generic_v1, .feat = &tsens_v1_feat, .fields = tsens_v1_regfields, @@ -381,7 +381,7 @@ static const struct tsens_ops ops_8976 = { }; /* Valid for both MSM8956 and MSM8976. Sensor ID 3 is unused. */ -const struct tsens_plat_data data_8976 = { +struct tsens_plat_data data_8976 = { .num_sensors = 11, .ops = &ops_8976, .hw_ids = (unsigned int[]){0, 1, 2, 4, 5, 6, 7, 8, 9, 10}, diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c index a4d15e1abfddd..f1c8ec62e69f9 100644 --- a/drivers/thermal/qcom/tsens-v2.c +++ b/drivers/thermal/qcom/tsens-v2.c @@ -27,7 +27,7 @@ /* v2.x: 8996, 8998, sdm845 */ -static const struct tsens_features tsens_v2_feat = { +static struct tsens_features tsens_v2_feat = { .ver_major = VER_2_X, .crit_int = 1, .adc = 0, @@ -81,14 +81,14 @@ static const struct tsens_ops ops_generic_v2 = { .get_temp = get_temp_tsens_valid, }; -const struct tsens_plat_data data_tsens_v2 = { +struct tsens_plat_data data_tsens_v2 = { .ops = &ops_generic_v2, .feat = &tsens_v2_feat, .fields = tsens_v2_regfields, }; /* Kept around for backward compatibility with old msm8996.dtsi */ -const struct tsens_plat_data data_8996 = { +struct tsens_plat_data data_8996 = { .num_sensors = 13, .ops = &ops_generic_v2, .feat = &tsens_v2_feat, diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index e24a865fbc34c..be364bf1d5a63 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -440,7 +440,7 @@ struct tsens_plat_data { const u32 num_sensors; const struct tsens_ops *ops; unsigned int *hw_ids; - const struct tsens_features *feat; + struct tsens_features *feat; const struct reg_field *fields; }; @@ -481,7 +481,7 @@ struct tsens_priv { struct regmap_field *rf[MAX_REGFIELDS]; struct tsens_context ctx; - const struct tsens_features *feat; + struct tsens_features *feat; const struct reg_field *fields; const struct tsens_ops *ops; @@ -502,15 +502,15 @@ int tsens_set_trips(void *_sensor, int low, int high); irqreturn_t tsens_irq_thread(int irq, void *data); /* TSENS target */ -extern const struct tsens_plat_data data_8960; +extern struct tsens_plat_data data_8960; /* TSENS v0.1 targets */ -extern const struct tsens_plat_data data_8916, data_8974; +extern struct tsens_plat_data data_8916, data_8974; /* TSENS v1 targets */ -extern const struct tsens_plat_data data_tsens_v1, data_8976; +extern struct tsens_plat_data data_tsens_v1, data_8976; /* TSENS v2 targets */ -extern const struct tsens_plat_data data_8996, data_tsens_v2; +extern struct tsens_plat_data data_8996, data_tsens_v2; #endif /* __QCOM_TSENS_H__ */ From patchwork Thu Mar 12 12:36:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kucheria X-Patchwork-Id: 212602 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EBD6BC5ACBF for ; Thu, 12 Mar 2020 12:37:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C249C206B1 for ; Thu, 12 Mar 2020 12:37:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="fM5PKCY5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727208AbgCLMh1 (ORCPT ); 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Thu, 12 Mar 2020 05:37:19 -0700 (PDT) From: Amit Kucheria To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, daniel.lezcano@linaro.org, bjorn.andersson@linaro.org, swboyd@chromium.org, sivaa@codeaurora.org, Andy Gross Cc: Amit Kucheria , linux-pm@vger.kernel.org Subject: [PATCH v7 2/8] drivers: thermal: tsens: Pass around struct tsens_sensor as a constant Date: Thu, 12 Mar 2020 18:06:59 +0530 Message-Id: <740f9254484c08d65869df578628eb523c0049ff.1584015867.git.amit.kucheria@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org All the sensor data is initialised at init time. Lock it down by passing it to functions as a constant. Signed-off-by: Amit Kucheria Reviewed-by: Bjorn Andersson Reviewed-by: Stephen Boyd --- drivers/thermal/qcom/tsens-8960.c | 2 +- drivers/thermal/qcom/tsens-common.c | 15 ++++++++------- drivers/thermal/qcom/tsens.h | 6 +++--- 3 files changed, 12 insertions(+), 11 deletions(-) diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c index a383a57cfbbcb..2a28a5af209ec 100644 --- a/drivers/thermal/qcom/tsens-8960.c +++ b/drivers/thermal/qcom/tsens-8960.c @@ -245,7 +245,7 @@ static inline int code_to_mdegC(u32 adc_code, const struct tsens_sensor *s) return adc_code * slope + offset; } -static int get_temp_8960(struct tsens_sensor *s, int *temp) +static int get_temp_8960(const struct tsens_sensor *s, int *temp) { int ret; u32 code, trdy; diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c index c8d57ee0a5bb2..45e68f999bf61 100644 --- a/drivers/thermal/qcom/tsens-common.c +++ b/drivers/thermal/qcom/tsens-common.c @@ -128,7 +128,7 @@ static inline int code_to_degc(u32 adc_code, const struct tsens_sensor *s) * Return: Temperature in milliCelsius on success, a negative errno will * be returned in error cases */ -static int tsens_hw_to_mC(struct tsens_sensor *s, int field) +static int tsens_hw_to_mC(const struct tsens_sensor *s, int field) { struct tsens_priv *priv = s->priv; u32 resolution; @@ -160,7 +160,7 @@ static int tsens_hw_to_mC(struct tsens_sensor *s, int field) * * Return: ADC code or temperature in deciCelsius. */ -static int tsens_mC_to_hw(struct tsens_sensor *s, int temp) +static int tsens_mC_to_hw(const struct tsens_sensor *s, int temp) { struct tsens_priv *priv = s->priv; @@ -275,7 +275,8 @@ static int tsens_threshold_violated(struct tsens_priv *priv, u32 hw_id, } static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id, - struct tsens_sensor *s, struct tsens_irq_data *d) + const struct tsens_sensor *s, + struct tsens_irq_data *d) { int ret; @@ -346,10 +347,10 @@ irqreturn_t tsens_irq_thread(int irq, void *data) for (i = 0; i < priv->num_sensors; i++) { bool trigger = false; - struct tsens_sensor *s = &priv->sensor[i]; + const struct tsens_sensor *s = &priv->sensor[i]; u32 hw_id = s->hw_id; - if (IS_ERR(priv->sensor[i].tzd)) + if (IS_ERR(s->tzd)) continue; if (!tsens_threshold_violated(priv, hw_id, &d)) continue; @@ -457,7 +458,7 @@ void tsens_disable_irq(struct tsens_priv *priv) regmap_field_write(priv->rf[INT_EN], 0); } -int get_temp_tsens_valid(struct tsens_sensor *s, int *temp) +int get_temp_tsens_valid(const struct tsens_sensor *s, int *temp) { struct tsens_priv *priv = s->priv; int hw_id = s->hw_id; @@ -486,7 +487,7 @@ int get_temp_tsens_valid(struct tsens_sensor *s, int *temp) return 0; } -int get_temp_common(struct tsens_sensor *s, int *temp) +int get_temp_common(const struct tsens_sensor *s, int *temp) { struct tsens_priv *priv = s->priv; int hw_id = s->hw_id; diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index be364bf1d5a63..70dc34c805377 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -67,7 +67,7 @@ struct tsens_ops { /* mandatory callbacks */ int (*init)(struct tsens_priv *priv); int (*calibrate)(struct tsens_priv *priv); - int (*get_temp)(struct tsens_sensor *s, int *temp); + int (*get_temp)(const struct tsens_sensor *s, int *temp); /* optional callbacks */ int (*enable)(struct tsens_priv *priv, int i); void (*disable)(struct tsens_priv *priv); @@ -494,8 +494,8 @@ struct tsens_priv { char *qfprom_read(struct device *dev, const char *cname); void compute_intercept_slope(struct tsens_priv *priv, u32 *pt1, u32 *pt2, u32 mode); int init_common(struct tsens_priv *priv); -int get_temp_tsens_valid(struct tsens_sensor *s, int *temp); -int get_temp_common(struct tsens_sensor *s, int *temp); +int get_temp_tsens_valid(const struct tsens_sensor *s, int *temp); +int get_temp_common(const struct tsens_sensor *s, int *temp); int tsens_enable_irq(struct tsens_priv *priv); void tsens_disable_irq(struct tsens_priv *priv); int tsens_set_trips(void *_sensor, int low, int high); From patchwork Thu Mar 12 12:37:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kucheria X-Patchwork-Id: 212601 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25BFEC1975A for ; 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Thu, 12 Mar 2020 05:37:33 -0700 (PDT) Received: from localhost ([45.127.45.7]) by smtp.gmail.com with ESMTPSA id a18sm2061887pfr.109.2020.03.12.05.37.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Mar 2020 05:37:32 -0700 (PDT) From: Amit Kucheria To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, daniel.lezcano@linaro.org, bjorn.andersson@linaro.org, swboyd@chromium.org, sivaa@codeaurora.org, Andy Gross Cc: Amit Kucheria , linux-pm@vger.kernel.org Subject: [PATCH v7 5/8] drivers: thermal: tsens: Add critical interrupt support Date: Thu, 12 Mar 2020 18:07:02 +0530 Message-Id: <51b22461d4b5f85a817274568459db4579fd4298.1584015867.git.amit.kucheria@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org TSENS IP v2.x adds critical threshold interrupt support for each sensor in addition to the upper/lower threshold interrupt. Add support in the driver. While the critical interrupts themselves aren't currently used by Linux, the HW line is also used by the TSENS watchdog. So this patch acts as infrastructure to enable watchdog functionality for the TSENS IP. Signed-off-by: Amit Kucheria --- drivers/thermal/qcom/tsens-common.c | 118 ++++++++++++++++++++++++++-- drivers/thermal/qcom/tsens-v2.c | 8 +- drivers/thermal/qcom/tsens.c | 65 +++++++++------ drivers/thermal/qcom/tsens.h | 68 ++++++++++++++++ 4 files changed, 223 insertions(+), 36 deletions(-) diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c index fd3b56d523411..b7d599425605f 100644 --- a/drivers/thermal/qcom/tsens-common.c +++ b/drivers/thermal/qcom/tsens-common.c @@ -23,6 +23,10 @@ * @low_thresh: lower threshold temperature value * @low_irq_mask: mask register for lower threshold irqs * @low_irq_clear: clear register for lower threshold irqs + * @crit_viol: critical threshold violated + * @crit_thresh: critical threshold temperature value + * @crit_irq_mask: mask register for critical threshold irqs + * @crit_irq_clear: clear register for critical threshold irqs * * Structure containing data about temperature threshold settings and * irq status if they were violated. @@ -36,6 +40,10 @@ struct tsens_irq_data { int low_thresh; u32 low_irq_mask; u32 low_irq_clear; + u32 crit_viol; + u32 crit_thresh; + u32 crit_irq_mask; + u32 crit_irq_clear; }; char *qfprom_read(struct device *dev, const char *cname) @@ -189,6 +197,9 @@ static void tsens_set_interrupt_v1(struct tsens_priv *priv, u32 hw_id, case LOWER: index = LOW_INT_CLEAR_0 + hw_id; break; + case CRITICAL: + /* No critical interrupts before v2 */ + return; } regmap_field_write(priv->rf[index], enable ? 0 : 1); } @@ -214,6 +225,10 @@ static void tsens_set_interrupt_v2(struct tsens_priv *priv, u32 hw_id, index_mask = LOW_INT_MASK_0 + hw_id; index_clear = LOW_INT_CLEAR_0 + hw_id; break; + case CRITICAL: + index_mask = CRIT_INT_MASK_0 + hw_id; + index_clear = CRIT_INT_CLEAR_0 + hw_id; + break; } if (enable) { @@ -268,7 +283,15 @@ static int tsens_threshold_violated(struct tsens_priv *priv, u32 hw_id, ret = regmap_field_read(priv->rf[LOWER_STATUS_0 + hw_id], &d->low_viol); if (ret) return ret; - if (d->up_viol || d->low_viol) + + if (priv->feat->crit_int) { + ret = regmap_field_read(priv->rf[CRITICAL_STATUS_0 + hw_id], + &d->crit_viol); + if (ret) + return ret; + } + + if (d->up_viol || d->low_viol || d->crit_viol) return 1; return 0; @@ -293,22 +316,37 @@ static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id, ret = regmap_field_read(priv->rf[LOW_INT_MASK_0 + hw_id], &d->low_irq_mask); if (ret) return ret; + ret = regmap_field_read(priv->rf[CRIT_INT_CLEAR_0 + hw_id], + &d->crit_irq_clear); + if (ret) + return ret; + ret = regmap_field_read(priv->rf[CRIT_INT_MASK_0 + hw_id], + &d->crit_irq_mask); + if (ret) + return ret; + + d->crit_thresh = tsens_hw_to_mC(s, CRIT_THRESH_0 + hw_id); } else { /* No mask register on older TSENS */ d->up_irq_mask = 0; d->low_irq_mask = 0; + d->crit_irq_clear = 0; + d->crit_irq_mask = 0; + d->crit_thresh = 0; } d->up_thresh = tsens_hw_to_mC(s, UP_THRESH_0 + hw_id); d->low_thresh = tsens_hw_to_mC(s, LOW_THRESH_0 + hw_id); - dev_dbg(priv->dev, "[%u] %s%s: status(%u|%u) | clr(%u|%u) | mask(%u|%u)\n", - hw_id, __func__, (d->up_viol || d->low_viol) ? "(V)" : "", - d->low_viol, d->up_viol, d->low_irq_clear, d->up_irq_clear, - d->low_irq_mask, d->up_irq_mask); - dev_dbg(priv->dev, "[%u] %s%s: thresh: (%d:%d)\n", hw_id, __func__, - (d->up_viol || d->low_viol) ? "(violation)" : "", - d->low_thresh, d->up_thresh); + dev_dbg(priv->dev, "[%u] %s%s: status(%u|%u|%u) | clr(%u|%u|%u) | mask(%u|%u|%u)\n", + hw_id, __func__, + (d->up_viol || d->low_viol || d->crit_viol) ? "(V)" : "", + d->low_viol, d->up_viol, d->crit_viol, + d->low_irq_clear, d->up_irq_clear, d->crit_irq_clear, + d->low_irq_mask, d->up_irq_mask, d->crit_irq_mask); + dev_dbg(priv->dev, "[%u] %s%s: thresh: (%d:%d:%d)\n", hw_id, __func__, + (d->up_viol || d->low_viol || d->crit_viol) ? "(V)" : "", + d->low_thresh, d->up_thresh, d->crit_thresh); return 0; } @@ -322,6 +360,52 @@ static inline u32 masked_irq(u32 hw_id, u32 mask, enum tsens_ver ver) return 0; } +/** + * tsens_critical_irq_thread() - Threaded handler for critical interrupts + * @irq: irq number + * @data: tsens controller private data + * + * Check all sensors to find ones that violated their critical threshold limits. + * Clear and then re-enable the interrupt. + * + * The level-triggered interrupt might deassert if the temperature returned to + * within the threshold limits by the time the handler got scheduled. We + * consider the irq to have been handled in that case. + * + * Return: IRQ_HANDLED + */ +irqreturn_t tsens_critical_irq_thread(int irq, void *data) +{ + struct tsens_priv *priv = data; + struct tsens_irq_data d; + int temp, ret, i; + + for (i = 0; i < priv->num_sensors; i++) { + const struct tsens_sensor *s = &priv->sensor[i]; + u32 hw_id = s->hw_id; + + if (IS_ERR(s->tzd)) + continue; + if (!tsens_threshold_violated(priv, hw_id, &d)) + continue; + ret = get_temp_tsens_valid(s, &temp); + if (ret) { + dev_err(priv->dev, "[%u] %s: error reading sensor\n", + hw_id, __func__); + continue; + } + + tsens_read_irq_state(priv, hw_id, s, &d); + if (d.crit_viol && + !masked_irq(hw_id, d.crit_irq_mask, tsens_version(priv))) { + /* Mask critical interrupts, unused on Linux */ + tsens_set_interrupt(priv, hw_id, CRITICAL, false); + } + } + + return IRQ_HANDLED; +} + /** * tsens_irq_thread - Threaded interrupt handler for uplow interrupts * @irq: irq number @@ -684,6 +768,24 @@ int __init init_common(struct tsens_priv *priv) } } + if (priv->feat->crit_int) { + /* Loop might need changes if enum regfield_ids is reordered */ + for (j = CRITICAL_STATUS_0; j <= CRIT_THRESH_15; j += 16) { + for (i = 0; i < priv->feat->max_sensors; i++) { + int idx = j + i; + + priv->rf[idx] = + devm_regmap_field_alloc(dev, + priv->tm_map, + priv->fields[idx]); + if (IS_ERR(priv->rf[idx])) { + ret = PTR_ERR(priv->rf[idx]); + goto err_put_device; + } + } + } + } + spin_lock_init(&priv->ul_lock); tsens_enable_irq(priv); tsens_debug_init(op); diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c index f1c8ec62e69f9..ce5ef0055d136 100644 --- a/drivers/thermal/qcom/tsens-v2.c +++ b/drivers/thermal/qcom/tsens-v2.c @@ -51,8 +51,9 @@ static const struct reg_field tsens_v2_regfields[MAX_REGFIELDS] = { [INT_EN] = REG_FIELD(TM_INT_EN_OFF, 0, 2), /* TEMPERATURE THRESHOLDS */ - REG_FIELD_FOR_EACH_SENSOR16(LOW_THRESH, TM_Sn_UPPER_LOWER_THRESHOLD_OFF, 0, 11), - REG_FIELD_FOR_EACH_SENSOR16(UP_THRESH, TM_Sn_UPPER_LOWER_THRESHOLD_OFF, 12, 23), + REG_FIELD_FOR_EACH_SENSOR16(LOW_THRESH, TM_Sn_UPPER_LOWER_THRESHOLD_OFF, 0, 11), + REG_FIELD_FOR_EACH_SENSOR16(UP_THRESH, TM_Sn_UPPER_LOWER_THRESHOLD_OFF, 12, 23), + REG_FIELD_FOR_EACH_SENSOR16(CRIT_THRESH, TM_Sn_CRITICAL_THRESHOLD_OFF, 0, 11), /* INTERRUPTS [CLEAR/STATUS/MASK] */ REG_FIELD_SPLIT_BITS_0_15(LOW_INT_STATUS, TM_UPPER_LOWER_INT_STATUS_OFF), @@ -61,6 +62,9 @@ static const struct reg_field tsens_v2_regfields[MAX_REGFIELDS] = { REG_FIELD_SPLIT_BITS_16_31(UP_INT_STATUS, TM_UPPER_LOWER_INT_STATUS_OFF), REG_FIELD_SPLIT_BITS_16_31(UP_INT_CLEAR, TM_UPPER_LOWER_INT_CLEAR_OFF), REG_FIELD_SPLIT_BITS_16_31(UP_INT_MASK, TM_UPPER_LOWER_INT_MASK_OFF), + REG_FIELD_SPLIT_BITS_0_15(CRIT_INT_STATUS, TM_CRITICAL_INT_STATUS_OFF), + REG_FIELD_SPLIT_BITS_0_15(CRIT_INT_CLEAR, TM_CRITICAL_INT_CLEAR_OFF), + REG_FIELD_SPLIT_BITS_0_15(CRIT_INT_MASK, TM_CRITICAL_INT_MASK_OFF), /* Sn_STATUS */ REG_FIELD_FOR_EACH_SENSOR16(LAST_TEMP, TM_Sn_STATUS_OFF, 0, 11), diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index 0e7cf52369326..05d2721320471 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -85,11 +85,42 @@ static const struct thermal_zone_of_device_ops tsens_of_ops = { .set_trips = tsens_set_trips, }; +static int tsens_register_irq(struct tsens_priv *priv, char *irqname, + irq_handler_t thread_fn) +{ + struct platform_device *pdev; + int ret, irq; + + pdev = of_find_device_by_node(priv->dev->of_node); + if (!pdev) + return -ENODEV; + + irq = platform_get_irq_byname(pdev, irqname); + if (irq < 0) { + ret = irq; + /* For old DTs with no IRQ defined */ + if (irq == -ENXIO) + ret = 0; + } else { + ret = devm_request_threaded_irq(&pdev->dev, irq, + NULL, thread_fn, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + dev_name(&pdev->dev), priv); + if (ret) + dev_err(&pdev->dev, "%s: failed to get irq\n", + __func__); + else + enable_irq_wake(irq); + } + + put_device(&pdev->dev); + return ret; +} + static int tsens_register(struct tsens_priv *priv) { - int i, ret, irq; + int i, ret; struct thermal_zone_device *tzd; - struct platform_device *pdev; for (i = 0; i < priv->num_sensors; i++) { priv->sensor[i].priv = priv; @@ -103,32 +134,14 @@ static int tsens_register(struct tsens_priv *priv) priv->ops->enable(priv, i); } - pdev = of_find_device_by_node(priv->dev->of_node); - if (!pdev) - return -ENODEV; - - irq = platform_get_irq_byname(pdev, "uplow"); - if (irq < 0) { - ret = irq; - /* For old DTs with no IRQ defined */ - if (irq == -ENXIO) - ret = 0; - goto err_put_device; - } - - ret = devm_request_threaded_irq(&pdev->dev, irq, - NULL, tsens_irq_thread, - IRQF_TRIGGER_HIGH | IRQF_ONESHOT, - dev_name(&pdev->dev), priv); - if (ret) { - dev_err(&pdev->dev, "%s: failed to get irq\n", __func__); - goto err_put_device; - } + ret = tsens_register_irq(priv, "uplow", tsens_irq_thread); + if (ret < 0) + return ret; - enable_irq_wake(irq); + if (priv->feat->crit_int) + ret = tsens_register_irq(priv, "critical", + tsens_critical_irq_thread); -err_put_device: - put_device(&pdev->dev); return ret; } diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index 70dc34c805377..2466115a9881d 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -23,6 +23,7 @@ struct tsens_priv; +/* IP version numbers in ascending order */ enum tsens_ver { VER_0_1 = 0, VER_1_X, @@ -32,6 +33,7 @@ enum tsens_ver { enum tsens_irq_type { LOWER, UPPER, + CRITICAL, }; /** @@ -374,6 +376,70 @@ enum regfield_ids { CRITICAL_STATUS_13, CRITICAL_STATUS_14, CRITICAL_STATUS_15, + CRIT_INT_STATUS_0, /* CRITICAL interrupt status */ + CRIT_INT_STATUS_1, + CRIT_INT_STATUS_2, + CRIT_INT_STATUS_3, + CRIT_INT_STATUS_4, + CRIT_INT_STATUS_5, + CRIT_INT_STATUS_6, + CRIT_INT_STATUS_7, + CRIT_INT_STATUS_8, + CRIT_INT_STATUS_9, + CRIT_INT_STATUS_10, + CRIT_INT_STATUS_11, + CRIT_INT_STATUS_12, + CRIT_INT_STATUS_13, + CRIT_INT_STATUS_14, + CRIT_INT_STATUS_15, + CRIT_INT_CLEAR_0, /* CRITICAL interrupt clear */ + CRIT_INT_CLEAR_1, + CRIT_INT_CLEAR_2, + CRIT_INT_CLEAR_3, + CRIT_INT_CLEAR_4, + CRIT_INT_CLEAR_5, + CRIT_INT_CLEAR_6, + CRIT_INT_CLEAR_7, + CRIT_INT_CLEAR_8, + CRIT_INT_CLEAR_9, + CRIT_INT_CLEAR_10, + CRIT_INT_CLEAR_11, + CRIT_INT_CLEAR_12, + CRIT_INT_CLEAR_13, + CRIT_INT_CLEAR_14, + CRIT_INT_CLEAR_15, + CRIT_INT_MASK_0, /* CRITICAL interrupt mask */ + CRIT_INT_MASK_1, + CRIT_INT_MASK_2, + CRIT_INT_MASK_3, + CRIT_INT_MASK_4, + CRIT_INT_MASK_5, + CRIT_INT_MASK_6, + CRIT_INT_MASK_7, + CRIT_INT_MASK_8, + CRIT_INT_MASK_9, + CRIT_INT_MASK_10, + CRIT_INT_MASK_11, + CRIT_INT_MASK_12, + CRIT_INT_MASK_13, + CRIT_INT_MASK_14, + CRIT_INT_MASK_15, + CRIT_THRESH_0, /* CRITICAL threshold values */ + CRIT_THRESH_1, + CRIT_THRESH_2, + CRIT_THRESH_3, + CRIT_THRESH_4, + CRIT_THRESH_5, + CRIT_THRESH_6, + CRIT_THRESH_7, + CRIT_THRESH_8, + CRIT_THRESH_9, + CRIT_THRESH_10, + CRIT_THRESH_11, + CRIT_THRESH_12, + CRIT_THRESH_13, + CRIT_THRESH_14, + CRIT_THRESH_15, MIN_STATUS_0, /* MIN threshold violated */ MIN_STATUS_1, MIN_STATUS_2, @@ -460,6 +526,7 @@ struct tsens_context { * @srot_map: pointer to SROT register address space * @tm_offset: deal with old device trees that don't address TM and SROT * address space separately + * @crit_lock: lock while processing critical threshold interrupts * @rf: array of regmap_fields used to store value of the field * @ctx: registers to be saved and restored during suspend/resume * @feat: features of the IP @@ -500,6 +567,7 @@ int tsens_enable_irq(struct tsens_priv *priv); void tsens_disable_irq(struct tsens_priv *priv); int tsens_set_trips(void *_sensor, int low, int high); irqreturn_t tsens_irq_thread(int irq, void *data); +irqreturn_t tsens_critical_irq_thread(int irq, void *data); /* TSENS target */ extern struct tsens_plat_data data_8960; From patchwork Thu Mar 12 12:37:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kucheria X-Patchwork-Id: 212600 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 010D2C1975A for ; Thu, 12 Mar 2020 12:37:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C2BA32071C for ; 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Thu, 12 Mar 2020 05:37:41 -0700 (PDT) From: Amit Kucheria To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, daniel.lezcano@linaro.org, bjorn.andersson@linaro.org, swboyd@chromium.org, sivaa@codeaurora.org, Andy Gross Cc: Amit Kucheria , linux-pm@vger.kernel.org Subject: [PATCH v7 7/8] drivers: thermal: tsens: kernel-doc fixup Date: Thu, 12 Mar 2020 18:07:04 +0530 Message-Id: <7ea9c9ead90a91205a3f1717c0c86db9a51780ce.1584015867.git.amit.kucheria@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Document ul_lock, threshold and control structure members and make the following kernel-doc invocation happy: $ scripts/kernel-doc -v -none drivers/thermal/qcom/* drivers/thermal/qcom/qcom-spmi-temp-alarm.c:105: info: Scanning doc for qpnp_tm_get_temp_stage drivers/thermal/qcom/tsens-common.c:18: info: Scanning doc for struct tsens_irq_data drivers/thermal/qcom/tsens-common.c:130: info: Scanning doc for tsens_hw_to_mC drivers/thermal/qcom/tsens-common.c:163: info: Scanning doc for tsens_mC_to_hw drivers/thermal/qcom/tsens-common.c:245: info: Scanning doc for tsens_set_interrupt drivers/thermal/qcom/tsens-common.c:268: info: Scanning doc for tsens_threshold_violated drivers/thermal/qcom/tsens-common.c:362: info: Scanning doc for tsens_critical_irq_thread drivers/thermal/qcom/tsens-common.c:438: info: Scanning doc for tsens_irq_thread drivers/thermal/qcom/tsens.h:41: info: Scanning doc for struct tsens_sensor drivers/thermal/qcom/tsens.h:59: info: Scanning doc for struct tsens_ops drivers/thermal/qcom/tsens.h:494: info: Scanning doc for struct tsens_features drivers/thermal/qcom/tsens.h:513: info: Scanning doc for struct tsens_plat_data drivers/thermal/qcom/tsens.h:529: info: Scanning doc for struct tsens_context Signed-off-by: Amit Kucheria Reviewed-by: Bjorn Andersson Reviewed-by: Stephen Boyd --- drivers/thermal/qcom/tsens.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index ad7574fe0811d..f49e516b34588 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -526,6 +526,8 @@ struct tsens_plat_data { /** * struct tsens_context - Registers to be saved/restored across a context loss + * @threshold: Threshold register value + * @control: Control register value */ struct tsens_context { int threshold; @@ -540,6 +542,7 @@ struct tsens_context { * @srot_map: pointer to SROT register address space * @tm_offset: deal with old device trees that don't address TM and SROT * address space separately + * @ul_lock: lock while processing upper/lower threshold interrupts * @crit_lock: lock while processing critical threshold interrupts * @rf: array of regmap_fields used to store value of the field * @ctx: registers to be saved and restored during suspend/resume